Unlocking Hidden Capacity in Healthcare: A Practical Guide

Why this topic matters

The NHS faces unprecedented challenges, from growing waiting lists to financial pressures and workforce shortages. Traditional approaches to increasing capacity, such as building new facilities or recruiting large numbers of staff, are often slow, costly, and sometimes unfeasible. Identifying and optimising hidden capacity offers a pragmatic, cost-effective, and often quicker alternative.

By focusing on hidden capacity, organisations can:

• Improve patient flow and access: Reducing bottlenecks can shorten waiting times and improve the patient journey.
• Enhance staff well-being: Streamlining processes can reduce unnecessary workload and frustration, leading to improved job satisfaction.
• Optimise resource utilisation: Ensuring equipment, rooms, and staff time are used effectively prevents waste.
• Increase productivity without additional investment: Making the most of what is already available.
• Foster a culture of continuous improvement: Encouraging teams to critically examine their work processes and seek efficiencies.

Practical explanation: What is hidden capacity?

Hidden capacity can manifest in various forms across different levels of a healthcare organisation:

Individual-level hidden capacity

This often relates to aspects of a staff member's working day that are not directly contributing to patient care or core departmental objectives, or where their skills are underutilised. Examples include:

• Non-value-added activities: Tasks that do not directly contribute to the patient outcome or departmental goal (e.g., excessive data entry, duplicated paperwork, searching for missing equipment).
• Skill mix inefficiencies: Highly qualified staff performing tasks that could be safely and effectively delegated to other members of the team with appropriate training and supervision (e.g., a Consultant completing administrative tasks).
• Unnecessary delays: Time spent waiting for information, equipment, or patient transport.

Team/Department-level hidden capacity

At this level, hidden capacity relates to how teams collaborate, process patients, and manage resources. Examples include:

• Bottlenecks in pathways: Specific points in a patient pathway where flow consistently slows down, such as delays in theatre turnover, diagnostic reporting, or discharge processes.
• Suboptimal scheduling: Inefficient clinic templates, theatre lists, or rota management leading to idle time or overbooking.
• Ineffective communication: Poor handover processes or communication breakdowns leading to errors, rework, and delays.
• Underutilised assets: Empty clinic rooms, un-booked theatre slots, or diagnostic equipment not running at full capacity.
• Variation in practice: Different teams or individuals performing the same task in different ways, some of which are less efficient than others (though local tailoring for patient need is important).

System-level hidden capacity

This encompasses issues that affect multiple departments or the entire organisation, often reflecting broader organisational structure, policies, or inter-departmental handoffs. Examples include:

• Inter-departmental handoffs: Delays between departments, such as waiting for a bed in a ward after a decision to admit from A&E, or diagnostic results impacting outpatient follow-up.
• Outdated policies or processes: Legacy pathways or policies that are no longer fit for purpose but continue to be followed.
• Ineffective IT systems: Systems that don't communicate well, require duplicate entry, or are not user-friendly, adding to administrative burden.

Common pitfalls

Identifying and addressing hidden capacity isn't always straightforward. Common pitfalls include:

• Focusing solely on individual effort: Blaming individuals for inefficiencies rather than examining systemic issues.
• Lack of staff involvement: Not engaging frontline staff, who often possess the most insight into day-to-day inefficiencies.
• Insufficient data: Relying on anecdotal evidence rather than objective data to pinpoint and measure the impact of bottlenecks.
• Implementing solutions without testing: Rolling out changes without a robust plan for piloting, evaluating, and refining them.
• Lack of sustained focus: Treating capacity release as a one-off project rather than an ongoing programme of work.
• Ignoring interdependencies: Making changes in one area that inadvertently create new problems elsewhere in the patient pathway.
• Fear of job loss: Staff concerns that identifying efficiencies will lead to job cuts, fostering resistance rather than collaboration.

Step-by-step approach to identifying and unlocking hidden capacity

A structured approach is essential for successful capacity release. This framework draws on principles of Quality Improvement (QI) and Lean methodology, adapted for the NHS context.

Step 1: Define the problem and scope

• Identify a specific area for improvement: Don't try to tackle everything at once. Focus on a particular patient pathway, department, or process (e.g., outpatient clinic efficiency, theatre turnaround, discharge delays for a specific patient group).
• Engage stakeholders: Bring together a multidisciplinary team including clinical staff, operational managers, administrative staff, and potentially patient representatives. Their diverse perspectives are invaluable.
• Define clear objectives: What specific outcomes do you want to achieve? (e.g., reduce outpatient DNA rate by 10%, shorten theatre turnover time by 5 minutes, increase discharge before midday by 15%).

Step 2: Map the current state (Value Stream Mapping & Process Mapping)

• Visualise the end-to-end process: Work with the team to map out every step of the current process, from the patient's perspective. Include all key activities, decision points, handovers, and delays.
• Gather data: Collect objective data on timings, volumes, error rates, staff activity, and patient experience at each step. This might involve direct observation, time-and-motion studies, or reviewing existing operational data. Tools like run charts and Pareto charts can be useful here.
• Identify non-value-added steps (waste): Look for things that add no value to the patient or the ultimate goal, such as waiting, rework, unnecessary movement, excessive processing, or defects. The '8 Wastes' of Lean are a helpful framework (Defects, Overproduction, Waiting, Non-utilised talent, Transportation, Inventory, Motion, Extra Processing).

Step 3: Analyse bottlenecks and root causes

• Pinpoint the bottlenecks: Where do delays consistently occur? Where do resources become overloaded? Where is demand outpacing capacity?
• Conduct root cause analysis: Use techniques like the '5 Whys' or Fishbone Diagrams to understand why these bottlenecks exist. Is it equipment breakdown, staff availability, communication issues, system limitations, or something else?
• Quantify the impact: Estimate how much time, money, or patient throughput is being lost due to these inefficiencies.

Step 4: Develop and test solutions

• Brainstorm solutions: Involve the team in generating ideas to eliminate waste, streamline processes, and reallocate resources. Encourage creativity and challenge assumptions.
• Prioritise interventions: Focus on changes that are likely to have the biggest impact, are feasible to implement, and are within your control.
• Plan-Do-Study-Act (PDSA) cycles: Implement changes on a small scale, measure their impact, learn from the results, and refine before rolling out more widely. This iterative approach minimises risk.
• Consider skill mix review: Can certain tasks be safely delegated? Are staff performing at the top of their licence?
• Optimise scheduling and workflow: Review clinic templates, theatre schedules, and rota management for improved efficiency.

Step 5: Implement, sustain, and monitor

• Standardise new processes: Once a change proves effective, embed it into routine practice through updated policies, training, and clear guidelines.
• Monitor key metrics: Continuously track the relevant data to ensure improvements are sustained and to identify any new issues. Dashboards and regular reporting can support this.
• Communicate successes: Share achievements with the team and wider organisation to maintain momentum and celebrate efforts.
• Embed a culture of continuous improvement: Encourage ongoing critical appraisal of processes and proactive problem-solving.

Example in clinical practice: Optimising Theatre Turnover Time

Problem: A general surgical theatre suite experiences frequent delays between cases, leading to reduced theatre utilisation and cancelled lists.

Step 1: Define & Scope: The team (surgeons, anaesthetists, ODPs, nurses, porters, ward staff, theatre manager) decides to focus on reducing the 'wheels-out to wheels-in' time for elective general surgery cases.

Step 2: Map Current State: The team maps the detailed steps: patient transfer out, cleaning, equipment brought in, patient transfer in, anaesthetic checks. Data is collected: average turnover time is 35 minutes, with significant variation. Root causes identified include:

• Waiting for porters (20% of delays).
• Waiting for cleaning staff (15% of delays).
• Searching for specific surgical instruments/trays (10% of delays).
• Late arrival of the next patient from the ward.
• Anaesthetic room not being prepared concurrently with theatre clean.

Step 3: Analyse Bottlenecks: The primary bottlenecks are porter availability, ward patient readiness, and concurrent setup.

Step 4: Develop & Test Solutions (PDSA cycles):

• PDSA 1: Pilot a dedicated theatre porter for a week. Result: Porter-related delays reduced significantly for that week. Learning: Dedicated portering improves flow.
• PDSA 2: Introduce a 'Ready for Theatre' checklist for ward nurses and anaesthetists for the following day's list, with review at midday, to ensure patient readiness earlier. Result: Reduced patient-related delays. Learning: Proactive ward communication is key.
• PDSA 3: Implement parallel processing: when the patient leaves the theatre, the cleaning begins while the anaesthetist simultaneously prepares the anaesthetic room for the next patient if not already done. Result: Initial resistance, but after clear communication and minor workflow adjustments, average turnover reduced by 5 minutes. Learning: Concurrent working needs clear roles and communication.
• PDSA 4: Standardise instrument tray packing and storage locations, with regular audits. Result: Reduced time searching for equipment.

Step 5: Implement, Sustain & Monitor: The dedicated porter role is made permanent. The 'Ready for Theatre' checklist is embedded. Parallel processing becomes standard practice. Theatre turnover time is consistently monitored on a dashboard, reviewed weekly. Overall average turnover time reduces to 25 minutes, releasing approximately 2-3 additional theatre hours per week, allowing for more cases or providing contingency.

This resource supports, but does not replace, clinical judgement. Local policy, formulary and specialist advice should be followed.

How Lazomis can help

Lazomis offers a suite of tools that can significantly support NHS teams in identifying, managing, and sustaining efforts to unlock hidden capacity:

• Lazomis QI Project Setup: Provides structured frameworks to define your capacity improvement project, set objectives, and manage your PDSA cycles. It guides you through the process, ensuring all critical steps – from problem definition to impact measurement – are considered.
• Lazomis Data Collection & Dashboards: Simplifies the collection of relevant operational data (e.g., turnover times, waiting times, activity logs) and visualises key metrics in clear, actionable dashboards. This helps you pinpoint bottlenecks with objective evidence and track the impact of your interventions over time.
• Lazomis Process Mapping & Workflow Tools: Enables intuitive creation and sharing of process maps, helping teams to visualise current state workflows, identify non-value-added steps, and design more efficient future states.
• Lazomis Communication Hub: Facilitates seamless communication and collaboration within multidisciplinary teams involved in capacity improvement projects, ensuring everyone is updated on progress, challenges, and next steps.